Inside the desperate, dangerous scramble to evacuate Kabul

Afghanistan has fallen to the Taliban and the frenzy for Afghans and diplomats trying to flee the country reached a fever pitch Monday. Additional U.S. troops are on their way to help with evacuations as the Taliban retake power 20 years after the American invasion. Special correspondent Jane Ferguson reports from Kabul, and congressional correspondent Lisa Desjardins reports on the U.S. response.